3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>1, 'bar'=>2]; $last = $current = memory_get_usage(); foreach($array as $k=>&$v) { $last = $current; $current = memory_get_usage(); echo "Diff is " . ($current - $last) . "\n"; $array['baz']=3; $last = $current; $current = memory_get_usage(); echo "Diff is " . ($current - $last) . "\n"; echo $v . "\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0060.00619.69
7.1.70.0030.01217.20
7.1.60.0140.01119.82
7.1.50.0040.00716.92
7.1.00.0030.07722.44
7.0.200.0060.00616.84
7.0.140.0030.07322.00
7.0.100.0070.08019.88
7.0.90.0070.08319.92
7.0.80.0000.08319.91
7.0.70.0070.06720.11
7.0.60.0030.09020.02
7.0.50.0000.07720.34
7.0.40.0170.07320.07
7.0.30.0030.04720.18
7.0.20.0030.08720.18
7.0.10.0070.08320.13
7.0.00.0270.06720.14
5.6.280.0000.07721.07
5.6.250.0130.08020.64
5.6.240.0070.08320.50
5.6.230.0070.07720.57
5.6.220.0070.08020.63
5.6.210.0070.08320.43
5.6.200.0030.08021.06
5.6.190.0000.07320.92
5.6.180.0030.05021.02
5.6.170.0130.07020.96
5.6.160.0200.06721.05
5.6.150.0130.07720.99
5.6.140.0130.08021.04
5.6.130.0070.08320.97
5.6.120.0070.05320.95
5.6.110.0100.08021.11
5.6.100.0200.06021.03
5.6.90.0170.06021.05
5.6.80.0130.04020.49
5.6.70.0070.07020.43
5.6.60.0170.07020.39
5.6.50.0100.07320.41
5.6.40.0100.07020.38
5.6.30.0070.07020.31
5.6.20.0130.07320.36
5.6.10.0170.07320.44
5.6.00.0030.08320.39
5.5.380.0100.07720.36
5.5.370.0030.08020.54
5.5.360.0070.08720.30
5.5.350.0170.06320.32
5.5.340.0100.04320.77
5.5.330.0030.05020.92
5.5.320.0070.07320.76
5.5.310.0030.05320.89
5.5.300.0130.07320.87
5.5.290.0100.05020.81
5.5.280.0030.08720.80
5.5.270.0100.07720.85
5.5.260.0070.08720.92
5.5.250.0100.07720.71
5.5.240.0000.04720.10
5.5.230.0130.06720.11
5.5.220.0070.08020.15
5.5.210.0100.07720.18
5.5.200.0200.06720.15
5.5.190.0130.07320.18
5.5.180.0130.07320.25
5.5.160.0070.07720.20
5.5.150.0130.07720.14
5.5.140.0070.06320.25
5.5.130.0070.08020.25
5.5.120.0000.08020.23
5.5.110.0170.04320.17
5.5.100.0130.05720.05
5.5.90.0030.07320.11
5.5.80.0130.07020.04
5.5.70.0000.08720.05
5.5.60.0100.04320.06
5.5.50.0030.04720.11
5.5.40.0100.07720.00
5.5.30.0030.07720.13
5.5.20.0000.08320.09
5.5.10.0130.07020.13
5.5.00.0030.08320.10
5.4.450.0130.06019.55
5.4.440.0070.08319.21
5.4.430.0100.08019.21
5.4.420.0070.07719.46
5.4.410.0130.07019.11
5.4.400.0100.07019.13
5.4.390.0030.07019.15
5.4.380.0000.05018.97
5.4.370.0130.06719.06
5.4.360.0030.08319.03
5.4.350.0030.07719.10
5.4.340.0000.05719.03
5.4.320.0070.05019.04
5.4.310.0100.04318.89
5.4.300.0070.07019.06
5.4.290.0030.07718.89
5.4.280.0170.06719.12
5.4.270.0030.06719.09
5.4.260.0030.04719.22
5.4.250.0130.07718.88
5.4.240.0100.06318.94
5.4.230.0130.06719.14
5.4.220.0070.05019.11
5.4.210.0100.07719.11
5.4.200.0030.04718.94
5.4.190.0070.06719.18
5.4.180.0130.06319.11
5.4.170.0100.07318.77
5.4.160.0030.08019.07
5.4.150.0030.05318.79
5.4.140.0000.07716.27
5.4.130.0000.07716.37
5.4.120.0100.06316.31
5.4.110.0100.07016.43
5.4.100.0070.07016.31
5.4.90.0000.07316.32
5.4.80.0000.04716.25
5.4.70.0000.04716.42
5.4.60.0170.03016.41
5.4.50.0000.04016.23
5.4.40.0100.03016.29
5.4.30.0030.03716.43
5.4.20.0070.03716.27
5.4.10.0000.03716.18
5.4.00.0000.03715.57
5.3.290.0000.06714.67
5.3.280.0070.07314.59
5.3.270.0030.07714.59
5.3.260.0100.06714.47
5.3.250.0130.06314.61
5.3.240.0070.07314.59
5.3.230.0100.06714.45
5.3.220.0000.07714.57
5.3.210.0000.08014.43
5.3.200.0070.07314.57
5.3.190.0030.08014.43
5.3.180.0000.06014.57
5.3.170.0030.04314.55
5.3.160.0130.05014.56
5.3.150.0030.03714.53
5.3.140.0030.03714.52
5.3.130.0000.04014.41
5.3.120.0000.04014.54
5.3.110.0130.04014.41
5.3.100.0070.03313.91
5.3.90.0070.03313.98
5.3.80.0030.04713.98
5.3.70.0030.03713.77
5.3.60.0000.04013.88
5.3.50.0070.03013.93
5.3.40.0000.04013.91
5.3.30.0030.03313.82
5.3.20.0100.02713.68
5.3.10.0030.03013.62
5.3.00.0030.05013.60
5.2.170.0070.02711.56
5.2.160.0030.02711.56
5.2.150.0000.03311.56
5.2.140.0070.03311.56
5.2.130.0030.06311.56
5.2.120.0070.05711.56
5.2.110.0000.05311.56
5.2.100.0030.02711.56
5.2.90.0030.03311.56
5.2.80.0030.04711.56
5.2.70.0000.03011.56
5.2.60.0000.03011.56
5.2.50.0030.04311.56
5.2.40.0070.02711.56
5.2.30.0030.02711.56
5.2.20.0030.03011.56
5.2.10.0030.02711.56
5.2.00.0000.03011.56
5.1.60.0070.03011.56
5.1.50.0000.02711.56
5.1.40.0070.02011.56
5.1.30.0000.02711.56
5.1.20.0030.02311.56
5.1.10.0070.04711.56
5.1.00.0100.02011.56
5.0.50.0000.02711.56
5.0.40.0000.02011.56
5.0.30.0030.02711.56
5.0.20.0030.01711.56
5.0.10.0000.02011.56
5.0.00.0030.04011.56
4.4.90.0000.01711.56
4.4.80.0000.01711.56
4.4.70.0070.01011.56
4.4.60.0030.01311.56
4.4.50.0030.01711.56
4.4.40.0000.02711.56
4.4.30.0000.03011.56
4.4.20.0000.02011.56
4.4.10.0100.02011.56
4.4.00.0000.02311.56
4.3.110.0000.01711.56
4.3.100.0030.01311.56
4.3.90.0070.01711.56
4.3.80.0000.02311.56
4.3.70.0030.02711.56
4.3.60.0000.01711.56
4.3.50.0000.02311.56
4.3.40.0000.02311.56
4.3.30.0000.01711.56
4.3.20.0000.01711.56
4.3.10.0000.01711.56
4.3.00.0000.01311.56

preferences:
37.57 ms | 401 KiB | 5 Q